Buggy code:
public class Scribe { private StringBuffer buffer ; private boolean checkLineWrapping ; public int column ; public Alignment currentAlignment ; public int currentToken ; private char fillingSpace ; public NewCodeFormatter formatter ; public int indentationLevel ; public int lastNumberOfNewLines ; public int line ; private String lineSeparator ; public boolean needSpace = false ; public int pageWidth ; public PublicScanner scanner ; public int scannerEndPosition ; public int tabSize ; public boolean useTab ; Scribe ( NewCodeFormatter formatter , Map settings ) { } public void alignFragment ( Alignment alignment , int fragmentIndex ) { } public Alignment createAlignment ( String name , int mode , int count , int sourceRestart ) { } public Alignment createAlignment ( String name , int mode , int tieBreakRule , int count , int sourceRestart ) { } public void enterAlignment ( Alignment alignment ) { } public void exitAlignment ( Alignment alignment , boolean discardAlignment ) { } public String formattedSource ( ) { } public Alignment getAlignment ( String name ) { } public int getColumnIndentationLevel ( ) { } public int getIndentationLevel ( int someColumn ) { } public int getNextIndentationLevel ( int someColumn ) { } public void handleLineTooLong ( ) { } public void indent ( ) { } private void preserveEmptyLines ( int count ) { } public void print ( char [ ] s , boolean considerSpaceIfAny ) { } public void printBlockComment ( char [ ] s ) { } public void printComment ( boolean insertNewLineAfterComment ) { } public void printCommentLine ( char [ ] s ) { } public void printIndentationIfNecessary ( ) { } public void printModifiers ( ) { } public void printNewLine ( ) { } public void printNewLines ( int linesNumber ) { } public void printNextToken ( int expectedTokenType ) { } public void printNextToken ( int expectedTokenType , boolean considerSpaceIfAny ) { printComment ( false ) ; try { this . currentToken = this . scanner . getNextToken ( ) ; <START_BUG> char [ ] currentTokenSource = this . scanner . getCurrentTokenSource ( ) ; <END_BUG> if ( expectedTokenType != ( this . currentToken ) ) { throw new AbortFormatting ( ( ( ( "unexpected<seq2seq4repair_space>token<seq2seq4repair_space>type,<seq2seq4repair_space>expecting:" + expectedTokenType ) + ",<seq2seq4repair_space>actual:" ) + ( this . currentToken ) ) ) ; } this . print ( currentTokenSource , considerSpaceIfAny ) ; } catch ( InvalidInputException e ) { throw new AbortFormatting ( e ) ; } } public void printNextToken ( int expectedTokenType , boolean considerSpaceIfAny , boolean considerNewLineAfterComment ) { } public void printNextToken ( int [ ] expectedTokenTypes ) { } public void printNextToken ( int [ ] expectedTokenTypes , boolean considerSpaceIfAny , boolean considerNewLineAfterComment ) { } public void printQualifiedReference ( int sourceEnd ) { } private void printRule ( StringBuffer stringBuffer ) { } public void printTrailingComment ( ) { } public void printTrailingComment ( boolean insertNewLine ) { } public void printTrailingCommentForEmptyStatement ( ) { } void redoAlignment ( AlignmentException e ) { } public void reset ( ) { } public void resetAt ( Location location ) { } public void setLineSeparatorAndIdentationLevel ( FormattingPreferences preferences ) { } public int size ( ) { } public void space ( ) { } public void tab ( ) { } public String toString ( ) { } public void unIndent ( ) { } }

Fix:
char [ ] currentTokenSource = this . scanner . getRawTokenSource ( ) ;